| Register Code | Description |
| / | Present AM ** |
| \ | Present PM ** |
| L | Late (before registers closed) marked as present ** |
| I | Authorised absence due to illness (NOT medical or dental etc. appointments) |
| M | Authorised absence due to medical/dental appointments |
| R | Authorised absence due to religious observance |
| S | Authorised absence due to study leave |
| T | Authorised absence due to traveller absence |
| H | Authorised absence due to agreed family holiday |
| E | Authorised absence as pupil is excluded, with no alternative provision made |
| C | Authorised absence as pupil is absent due to other authorised circumstances |
| B | Approved education activity as pupil being educated off site ( NOT dual registration) ** |
| D | Dual registered (at another establishment) - NOT counted in possible attendances ** |
| J | Approved education activity as pupil is attending interview ** |
| P | Approved education activity as pupil is attending an approved sporting activity ** |
| V | Approved education activity as pupil is away on an educational visit or trip ** |
| W | Approved education activity as pupil is attending work experience ** |
| G | Unauthorised absence as pupil is on a family holiday, NOT agreed, or is taking days in excess of an agreed family holiday |
| U | Unauthorised absence as pupil arrived after registers closed |
| O | Unauthorised absence as pupil missed sessions for an unauthorised absence not covered by any other code/description |
| N | Unauthorised absence as pupil missed sessions for a reason that has not yet been provided |
| X | Non-compulsary school age absence - not counted in possible attendances ** |
| Y | Unable to attend due to exceptional circumstances - not counted in possible attendances |
| Z | Pupil not yet on roll - not counted in possible attendances ** |
| # | Planned whole or partial school closure - NOT counted in possible attendances ** |